Summary: Many people think that security begins and ends with antivirus software. I disagree. Of course you should run a well-supported, up-to-date security program—whether you use a PC or a Mac. What else do you need to do? In this gallery and the accompanying blog post, I share the five steps I teach to friends, family members, and clients who want to avoid malware, scareware, phishing sites, and other online scams.